diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 4c30a84..f2f1bfe 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -1,5 +1,8 @@
 name: tests-ocr-service
 
+permissions:
+  contents: read
+
 on:
 
   push: